what are the characteristics of amphibians
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Amphibians Amphibians are cold-blooded animals, meaning they do not have a constant body temperature but instead take on the temperature of their environment. They have moist, scaleless skin that absorbs water and oxygen, but that also makes them vulnerable to dehydration (loss of bodily fluids).
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What Are Characteristics of Amphibians? Amphibians are cold-blooded vertebrates. They have a backbone, and they maintain their body temperature through external means, such as laying in the sun. Amphibians spend part of their lives on water and part of their lives on land. They have permeable skin, which gases and some molecules penetrate; they also have gills for some portion of their lives.
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- 1 Amphibians are cold-blooded (ectothermic) vertebrates that cannot maintain body temperature through their internal physiological procedures. 2  They have a low metabolic rate which leads to a limited requirement for food and energy.  All the species have movable eyelids as well as tear ducts during the adult phase.
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- Most have larval stages that breathe through gills and live in water. During a process of metamorphosis, physical changes occur and external gills give way to lungs. Adult amphibians breathe air but are typically tied to water or moist environments.n land, the limbs give considerable propulsion to the body. Their limbs are sprawled out from the body, and the middle of the trunk usually rests on the ground, in contrast to lizards whose legs are under the body and raise it above the ground.
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- (like frogs, turtles, aligator)    an amphibian is an animal that lives near the water such as a frog    amphibians are animals that breath from their lungs    amphibians are animals that are cold blooded and can only survive in wet condition and moist conditions.
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What is the difference between an amphibian and a reptile? Some  amphibians have a rough leathery skin.  Reptiles are generally bigger in size than amphibians.  Reptiles include four groups of animals-lizards and snakes,  turtles and tortoises, crocodilians, and tuatara. Amphibians  include three groups of animals-frogs and toads, salamanders and  caecillians. Different species of reptiles live on land, in water, or both  on land and in water. However, all amphibians are born in water and  spend early part of their lives in water in form of larvae. Through  a process of metamorphosis the larvae of amphibians grow into  adults which are quite different from the larvae.
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What is the difference between an amphibian and a reptile? Reptiles have scales and Amphibians have smooth skin. An animal is classed as a reptile if it: Has scales; Lays hard eggs instead of live young; Doesn't suckle its young. An amphibian: Lives both on land and in water; Lays soft eggs; Has soft, damp skin.
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Amphibian Amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats. The name amphibian, derived from the Greek amphibios meaning “living a double life,” reflects this dual life strategy—though some species are permanent land dwellers, while other species have a completely aquatic mode of existence.
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- Animal Body Coverings Types of Body Coverings So we can study them more easily, animals are grouped into classes according to their characteristics. One of the main characteristics that is used to distinguish one class of animals from another is type of skin covering. Mammals have hair or fur, birds have feathers, reptiles have dry scales, amphibians have soft, moist skin, and fish have wet, slimy scales. Although each skin covering is useful in many ways, the focus of this information is how various colors and patterns help an animal’s chances for survival.
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- Quick Answer. Characteristics common to all vertebrates include bilateral symmetry, two pairs of jointed appendages, outer covering of protective cellular skin, metamerism, developed coeloms and internal skeletons, developed brains, vertebrae and sensory organs.
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- Description: Like frogs, toads are amphibians. They differ from most frogs in that they have dry skin, warts, crests behind the eyes, and parotoid glands. The parotoid glands produce a poisonous secretion that helps to defend the toad from predators.
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Amphibians at Our Zoo There are more than 6,000 species of amphibians living today. This animal class includes toads and frogs, salamanders and newts, and caecilians. Almost all amphibians have thin, moist skin that helps them breathe. No other group of animals has this special skin. Most amphibians undergo a unique change from larvae to adults, called metamorphosis.
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- 1 They cannot regulate their own body temperature. 2  Amphibians spend at least part of their lives in water and on land. 3  Amphibians do not have scales and their skin is permeable (molecules and gases can pass through). 4  Amphibians have gills for at least part of their lives.
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What type of body covering do Amphibians have? Their adaptations have not been entirely successful as most amphibians must return to water to breed. Those that don't still need at least a moist environment in which to lay their eggs. As its name implies, an amphibian is amphibious living both (amphi) modes of life (bios), -- part of the time on land and part of the time in the water.
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Differences Between Reptiles and Amphibians Reproduction: Soft eggs normally laid in water or in damp media. The amphibian egg is a yolk sac enveloped in one or more layers of a clear, jelly-like covering. The egg capsule is permeable to water and gases. Metamorphosis (profound change in form): Most amphibians use gills while developing their lungs.
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Amphibian The earliest amphibians evolved in the Devonian period from sarcopterygian fish with lungs and bony-limbed fins, features that were helpful in adapting to dry land. They diversified and became dominant during the Carboniferous and Permian periods, but were later displaced by reptiles and other vertebrates.
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What Are Characteristics of Amphibians? Most amphibians go through a period of metamorphosis. For example, frog eggs develop into tadpoles, which are small aquatic larvae with external gills. As they grow, tadpoles develop back legs and form internal gills.
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Amphibian Amphibian: Amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats. The name amphibian, derived from the Greek amphibios meaning “living a double life,” reflects this dual life strategy—though some species are permanent land dwellers, while other species have a completely aquatic mode of existence.
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- What Makes an AmphibianA cold-blooded animal that lives both on land and in water and is able to breathe through its skin as well as, or instead of, through its lungs. Amphibians are animals that live part of their lives in water and part on land. They usually have soft, moist skin that is protected by a slippery layer of mucus. They also tend to live in moist places or near water to keep their bodies from drying out.
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- Frogs and salamanders are amphibians. Amphibians are animals that live part of their lives in water and part on land. They usually have soft, moist skin that is protected by a slippery layer of mucus. They also tend to live in moist places or near water to keep their bodies from drying out.mphibians are animals that live part of their lives in water and part on land. They usually have soft, moist skin that is protected by a slippery layer of mucus.
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Amphibians Cold-blooded animals that spend part of their time on land and part in the water, amphibians are able to breathe through their skin.
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Characteristics of Class Reptilia Characteristics of Class Reptilia are given below: 1) Class reptilian (L. Reptilia= creeping) includes animals which are cold blooded. 2) The skin has a few cutaneous glands and high levels of keratin, which prevents water loss through the skin. 3) The scales and scutes are formed from the epidermis and are also made of keratin, to protect the body. 4) Reptiles are considered as tetra pods with two sets of paired limbs.
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Amphibian Frogs and toads (order Anura) are easily identified by their long hind limbs and the absence of a tail. They have only five to nine presacral vertebrae. The West African goliath frog, which can reach 30 cm (12 inches) from snout to vent and weigh up to 3.3 kg (7.3 pounds), is the largest anuran.
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Amphibian Amphibians use their skin as a secondary respiratory surface and some small terrestrial salamanders and frogs lack lungs and rely entirely on their skin. They are superficially similar to reptiles but, along with mammals and birds, reptiles are amniotes and do not require water bodies in which to breed.mphibians have a skeletal system that is structurally homologous to other tetrapods, though with a number of variations. They all have four limbs except for the legless caecilians and a few species of salamander with reduced or no limbs.
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Why is a frog an amphibian? 922,535 questions onWikianswers. An amphibian is a creature that starts out as a water-breathing animal but grows into an air-breathing animal. This is somewhat contrary to popular belief that amphibians live both in the water and on the land.Because frogs fit this characteristic, they are amphibians.http://en.wikipedia.org/wiki/Amphibian.22,535 questions onWikianswers. An amphibian is a creature that starts out as a water-breathing animal but grows into an air-breathing animal. This is somewhat contrary to popular belief that amphibians live both in the water and on the land.